How Does A Phone Work?

- When you talk through a phone it changes the sound of your voice into
a vibrating(shaking) electrical current.

-Then be changed back into sound waves.

-It Converts(Changes) Sound into electrical energy then from electrical
energy back into sound on the other line.

-A phone has a key pad or dial, so a caller can enter a number the will
call the other telephone you want to call.

-When you talk into a phone's mouthpiece the sound waves will make
a thin piece of something called diaphragm(Something that keeps things
apart) Vibrate.

What is the evolution of a phone?
-The telephone was invented in march 10 1876

-A American inventor called Alexander Graham Bell invented the phone